Robotic Pool Cleaner Filters Replacement for Dolphin M400/M500 Nautilus CC Plus
【Full Compatibility】 Works for these robotic pool cleaners: Dolphin M200, M400, M500; Nautilus CC Plus (Not for Nautilus CC); Oasis Z5i, Odyssey, Sigma, C3, C4, Triton Plus (old), Aquarius XL; filter part number 9991432-R4.